CN217296573U

CN217296573U - Polyethylene blown film crimping device

Info

Publication number: CN217296573U
Application number: CN202220242880.3U
Authority: CN
Inventors: 王震; 岳彩岭; 尹强
Original assignee: Shandong Zhongsu Taifu Technology Co ltd
Current assignee: Shandong Zhongsu Taifu Technology Co ltd
Priority date: 2022-01-29
Filing date: 2022-01-29
Publication date: 2022-08-26
Anticipated expiration: 2032-01-29

Abstract

The utility model discloses a polyethylene blow molding film curling device, which comprises a first connecting plate main body and a second connecting plate main body, wherein a positioning block, a positioning hole, a first thread fixing plate, a second thread fixing plate, a rolling bearing, a connecting block, a telescopic spring, a telescopic rod main body and the like are arranged on the utility model, a rotating shaft and a curling barrel main body are positioned through the positioning block and the positioning hole, then the rotating shaft and the curling barrel main body are fixed through the first thread fixing plate and the second thread fixing plate, then the rolling bearing passes through the second connecting plate main body, the telescopic rod main body is popped into the rolling bearing by the elasticity of the telescopic spring to be positioned, then the other end of the rotating shaft is inserted into the first connecting plate main body to complete the installation, the second connecting plate main body and the rotating shaft are firstly dismantled, then the first connecting plate main body is dismantled, then be first screw thread fixed plate, finally will curl a section of thick bamboo main part and dismantle from the axis of rotation can, save production time.

Description

Polyethylene blown film crimping device

Technical Field

The utility model relates to a blowing machine technical field especially relates to a polyethylene blown film crimping device.

Background

A blow molding machine is a plastic processing machine, which is called a blow molding machine, and after liquid plastic is sprayed out, the plastic is blown to a mold cavity with a certain shape by using the wind force blown out by the machine, the plastic is melted and extruded quantitatively in a screw extruder, then the plastic is molded through a mouth film, then the air ring is blown for cooling, then a tractor is used for drawing the plastic at a certain speed, a winding machine is used for winding the plastic into a coil, blow molding (blow molding) is also called hollow blow molding, a rapidly developed plastic processing method is that a tubular plastic parison obtained by extrusion or injection molding of thermoplastic resin is placed in a split mold while the plastic parison is hot (or heated to a softening state), compressed air is introduced into the parison immediately after the mold is closed, the plastic parison is blown to be attached to the inner wall of the mold, and various hollow products are obtained after cooling and demolding, and the manufacturing process of a blown film is very similar to that of the blow molding of the hollow products in principle, it does not use a die, and from the viewpoint of the classification of plastic processing techniques, the process of forming blown films is generally included in extrusion, and the process of blowing starts during world war ii for the production of low density polyethylene vials.

At present, the installation and the disassembly of the crimping device are all complex, the crimping cylinder needs to be disassembled after the crimping is finished, the disassembly complexity increases the working time, the integral production efficiency is reduced, and therefore a new polyethylene blown film crimping device needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a polyethylene blown film curling device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a polyethylene blown film curling device comprises a first connecting plate main body and a second connecting plate main body, wherein a rotating shaft is arranged between the first connecting plate main body and the second connecting plate main body;

the outer side wall of the rotating shaft is fixedly sleeved with a curling cylinder main body, the outer surface of the periphery of the rotating shaft is fixedly connected with a positioning block, a first thread fixing plate is fixedly connected to the outer side wall of the rotating shaft and positioned on one side of the curling cylinder main body, and a second thread fixing plate is fixedly connected to the outer side wall of the rotating shaft and positioned on the other side of the curling cylinder main body;

the fixed antifriction bearing that has cup jointed of second connecting plate main part inside wall, two sets of connecting blocks of second connecting plate main part one side fixedly connected with are two sets of the inside two sets of expanding spring that is provided with of connecting block, the inside and corresponding position of expanding spring of connecting block is seted up flutedly, and is two sets of the close one end fixedly connected with telescopic link main part of expanding spring.

As a further description of the above technical solution:

and a rotating connecting hole is formed in the outer wall of one side of the first connecting plate main body and corresponds to the rotating shaft.

As a further description of the above technical solution:

the position in the crimping barrel main body corresponding to the positioning block is provided with a positioning hole.

As a further description of the above technical solution:

the number of the positioning blocks is three, and the distance between every two adjacent positioning blocks is 120 degrees.

As a further description of the above technical solution:

and the outer side wall of the rotating shaft is provided with an outer thread groove at the position corresponding to the first thread fixing plate and the second thread fixing plate.

As a further description of the above technical solution:

the rotating shaft is fixedly sleeved on the inner side wall of the rolling bearing.

As a further description of the above technical solution:

and the outer walls of the top and the bottom of the rolling bearing are provided with positioning grooves corresponding to the telescopic rod main body.

The utility model discloses following beneficial effect has:

compared with the prior art, the device comprises a positioning block, a positioning hole, a first thread fixing plate, a second thread fixing plate, a rolling bearing, a connecting block, a telescopic spring, a telescopic rod main body and the like, wherein the rotating shaft and the curling barrel main body are positioned through the positioning block and the positioning hole, then the rotating shaft and the curling barrel main body are fixed through the first thread fixing plate and the second thread fixing plate, the rolling bearing penetrates through the second connecting plate main body, the telescopic rod main body is bounced into the rolling bearing by utilizing the elasticity of the telescopic spring to be positioned, then the other end of the rotating shaft is inserted into the first connecting plate main body to complete the installation, when the device is disassembled, the second connecting plate main body and the rotating shaft are firstly disassembled, then the first connecting plate main body is disassembled, then the first thread fixing plate is used, and finally the curling barrel main body is disassembled from the rotating shaft, the disassembling process is simple, the production time is saved.

Drawings

Fig. 1 is a schematic structural diagram of a polyethylene blown film curling device according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the connection structure between the rotating shaft and the main body of the curling barrel;

fig. 4 is a side view of the crimp barrel body.

Illustration of the drawings:

1. a first connecting plate body; 2. a second connecting plate body; 3. a second threaded fixing plate; 4. a crimp barrel body; 5. a first threaded retaining plate; 6. a rotating shaft; 7. a groove; 8. a tension spring; 9. a telescopic rod main body; 10. connecting blocks; 11. positioning blocks; 12. an outer thread groove; 13. positioning holes; 14. a rolling bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a polyethylene blown film curling device comprises a first connecting plate body 1 and a second connecting plate body 2, wherein a rotating shaft 6 is arranged between the first connecting plate body 1 and the second connecting plate body 2; the outer side wall of the rotating shaft 6 is fixedly sleeved with a curling barrel main body 4, the outer surface of the periphery of the rotating shaft 6 is fixedly connected with a positioning block 11, the outer side wall of the rotating shaft 6 and positioned on one side of the curling barrel main body 4 are fixedly connected with a first thread fixing plate 5, and the outer side wall of the rotating shaft 6 and positioned on the other side of the curling barrel main body 4 are fixedly connected with a second thread fixing plate 3; the rolling bearing 14 has been cup jointed to 2 inside walls of second connecting plate main part 2, two sets of connecting blocks 10 of 2 one side fixedly connected with of second connecting plate main part, and two sets of expanding spring 8 are provided with to two sets of connecting blocks 10 inside, and connecting block 10 is inside to have seted up recess 7 with the corresponding position of expanding spring 8, and the close one end fixedly connected with telescopic link main part 9 of two sets of expanding spring 8.

The outer wall of one side of the first connecting plate main body 1 is provided with a rotary connecting hole at a position corresponding to the rotary shaft 6 so as to facilitate the rotary connection between the rotary shaft 6 and the first connecting plate main body 1, the inside of the crimping barrel main body 4 is provided with a positioning hole 13 at a position corresponding to the positioning block 11 so as to facilitate the positioning matching of the crimping barrel main body 4 and the rotary shaft 6 through the positioning hole 13 and the positioning block 11, the number of the positioning blocks 11 is three, the distance between every two adjacent groups of the positioning blocks 11 is 120 degrees, the positioning strength is ensured by arranging the positioning blocks 11 into a plurality of groups, the outer side wall of the rotary shaft 6 is provided with an outer thread groove 12 at a position corresponding to the first thread fixing plate 5 and the second thread fixing plate 3 so as to facilitate the fixed installation and the disassembly of the first thread fixing plate 5 and the second thread fixing plate 3, the rotary shaft 6 is fixedly sleeved on the inner side wall of the rolling bearing 14 so as to facilitate the rotation of the rotary shaft 6, the outer wall of the top and the outer wall of the bottom of the rolling bearing 14 correspond to the telescopic rod main body 9, and positioning grooves are formed in the positions, corresponding to the telescopic rod main body 9, of the outer wall of the top and the outer wall of the bottom of the rolling bearing, so that the second connecting plate main body 2 and the rotating shaft 6 are fixed through the positioning grooves.

The working principle is as follows: when the curling barrel main body 4 needs to be disassembled after the completion of curling, the telescopic rod main body 9 and the rolling bearing 14 are firstly separated from each other, then the rolling bearing 14 is separated from the second connecting plate main body 2, then the rotating shaft 6 is separated from the first connecting plate main body 1, then the curling barrel main body 4 is disassembled, the first thread fixing plate 5 is disassembled from the rotating shaft 6, and finally the curling barrel main body 4 is disassembled, so that the disassembling process is simple, the production time is saved, and the production efficiency is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A polyethylene blown film crimping apparatus comprising a first connector plate body (1) and a second connector plate body (2), characterized in that: a rotating shaft (6) is arranged between the first connecting plate main body (1) and the second connecting plate main body (2);

the outer side wall of the rotating shaft (6) is fixedly sleeved with a curling barrel main body (4), the outer surface of the circumferential side of the rotating shaft (6) is fixedly connected with a positioning block (11), the outer side wall of the rotating shaft (6) and positioned on one side of the curling barrel main body (4) are fixedly connected with a first thread fixing plate (5), and the outer side wall of the rotating shaft (6) and positioned on the other side of the curling barrel main body (4) are fixedly connected with a second thread fixing plate (3);

second connecting plate main part (2) inside wall is fixed to be cup jointed antifriction bearing (14), two sets of connecting block (10) of second connecting plate main part (2) one side fixedly connected with, it is two sets of connecting block (10) inside is provided with two sets of expanding spring (8), connecting block (10) inside is seted up fluted (7) with expanding spring (8) corresponding position, and is two sets of the close one end fixedly connected with telescopic link main part (9) of expanding spring (8).

2. A polyethylene blown film curling apparatus according to claim 1, wherein: and a rotary connecting hole is formed in the outer wall of one side of the first connecting plate main body (1) and corresponds to the rotary shaft (6).

3. A polyethylene blown film curling apparatus according to claim 1, wherein: the position, corresponding to the positioning block (11), in the curling barrel main body (4) is provided with a positioning hole (13).

4. A polyethylene blown film curling apparatus according to claim 1, wherein: the number of the positioning blocks (11) is three, and the distance between every two adjacent groups of positioning blocks (11) is 120 degrees.

5. A polyethylene blown film curling apparatus according to claim 1, wherein: and the outer side wall of the rotating shaft (6) is provided with an outer thread groove (12) at the position corresponding to the first thread fixing plate (5) and the second thread fixing plate (3).

6. A polyethylene blown film curling apparatus according to claim 1, wherein: the rotating shaft (6) is fixedly sleeved on the inner side wall of the rolling bearing (14).

7. A polyethylene blown film curling apparatus according to claim 1, wherein: positioning grooves are formed in the positions, corresponding to the telescopic rod main body (9), of the outer wall of the top and the outer wall of the bottom of the rolling bearing (14).